Burner



W. G. BERGMAN.

BURNER.

kPPLlcATmN FILED AuG. 1.. 1920.

Patented Apr. 4, `1922.

frs-ararest orifice.

WILLIAM Gr. BER-GMM, DE TLEDQ, OHIO.

BURNER.

iai

Specification of Letters Eatent.

Patented Apr. 4,' 1922.

Application iledv August 1920. Serial No'. 401,961.

To all 107mm t may conccmf Be it known that l, lllirnmiu (i. llano- MAN, a citizen oi the United States, and a resident of Toledo, in the countT ot Lucas and State ot Ghio, have made an Invention Appertaining to Burners; and l doherebj,y declare the tollowing` to be a full, clear and exact description ot the invention?V vauch as will enable others skilled in the art to which it appertains to malte and use the same, reference being` had to the accompanying drawings, and Vtothe characters ot reference ject to providein connection 'with .such a burner7 a` means whereby the portion of the burner having air and `las outlets ma;7 be readily disconnected iti-om the main.

The invention ma); be contained in burners ot different forms to, be used for ditterent purposes. To illustrate a practical application of the invention l have selected one of the structures containingv the invention and shall describe it hereinafter. The structure selected is illustrated in the accompanying drawings.

Figure 1 ot the drawings is a sectional view of the burner. Fig. 2 is a front view of the burner. Fig'. 3 is a rear view of the burner.

1 in the iigures, is an upwardly extendingI drum which is connected with the main. The upper edge ot the drum is provided with a channel 2 and a shell 3 is so locatetl that its lower edge is positioned in the channel 2. The channel 2 ma;T be filled with a sealing material, such as, sand, in order to prevent the escape oi the gas from the interior of the shell 3. rlhe shell 8 is provided with a large opening 4t located on one side ot the shell. A large inner nozzle 5 surrounds the opening` el and is contained within the nozzle 6 so as to leave an annular space 7 between the nozzles 5 and G. The annular space near the edges of' the nozzles is tapered so as to form a narrow slit 8 that surrounds the nozzle 5. The edge 9 on one side of the narrow opening- 8 is located a short distance behind the edge Q ot the nozzle located on the other side ot the narrow openinfi` 8 to produce a Haring -c ot the air that "enters the annular i underpressure. .The shell 3 is also provided with a large pipe 10 which is smaller than the opening d and terminates a short distance behind the opening l and within the shell The pipe 10 is also connected with a source of air pressure supply and the air passing through the pipe 10 operates as an ejector to cooperate toV move the gas to and through the burner. The nozzle 5 is provided with a plurality oi `openings 11 that entend diagonally through the outer portion or", a nozzle 5 and radiate cone-wise rearwardly from the axis of the nozzle 5. f

The air moving through the pipe 10 under pressure mires and cooperates to move the through the shell 3 and the opening l. The pipe 10 being located behind the opening,` 1, operates an ejector to thus nieve the gas with a considerable speed through the shell 3 and the opening` il. During this movement ot air and gas together, the air pressure within the chamber 7 causes a flow of diagonal currents ofair from the openings 11 and through the stream ot gas trom the shell 3. This produces a thorough mii;- ture of the air and gas. lioreoven'theV air passingthrough the narrow slit or opening-r 8 causes a spreading ot the flow of air and gas over a large area and at the same time surrounds the gas with a current of air which produces combustion as the currents progress in the 'furnace and thus extends the area ot' the heating zone ot the llame.

The burner is so termed that it ma)7 be easilv disconnected trom the gas supply line, it bein` merely set into the channel 2. The drinn 'l moreover. is provided with a slide valve 1Q so that when the shell 3 is removed..

the valve 12 mayY `be closed and thus the escape ot prevented. The slide valve nemhcr 12 which is in the form of a plate is connected to a rack 13 which is operated bv means ot a lever 1d having a dog;` 15 that engages with the teeth oit the rack 13 to open or close the valve. The pipe 10 may also be provided with a slide valve 16. Also the pipe 17 which is connected with a source of air pressure supply and with the nozzle 6 may be closed by means of the valve 18. The shell may also he provided with an opening 19 for the purpose of burning` or cleaning out the interior of the shell 3. It desired, a pluralityT of such openings may be formed in the shell The opening 19 mayVY be closed by a ball 2() placed in the channel or groove 2l formed in a boss located on the shell 3.

I claim i 1. In a gas burnerga shell having a chamber into which the gas is directed and having a comparatively large opening located Von one side of the chamber, a pipe connected with a source of air pressure supply and terminating `within the chamber, the axis of `the pipe passing through the center of the` opening and the end of the pipe located a short distance from the opening,

. a nozzle located outside the chamber and i `surrounding the o ening, a second nozzle `surrounding the rst named nozzle and forming an annular chamber, a source of `air pressure supply connected to the chamber between the nozzles, the edges ofthe said nozzles located in substantially thev same .plane and forming a narrow annular outlet between the edges of the nozzles for delivering concentric streams of fluid matesurrounding the o ening, a second nozzle surrounding the rst .named nozzle and forming an annular chamber, and a source of air pressure supply connected to the chamber between the nozzles,\the edges of the said nozzles located in close proximity to each other to form a narrow annular outlet, the edge of the, outer nozzle being located slightly behind the edge of the inner nozzle and the inner nozzle being flare outward. i

3. In a gas burner, a shell having a chamber into which the gas is directed and having a comparatively large opening located on oney side of the chamber, a` pipe connected with a source of air pressure supply and terminating within the chamber, the axis of the pipe passi through the center of the opening and t e end rof the pipe located a short distance from the opening, a nozzle surrounding the opening, a second nozzle surrounding the first named nozzle and forming an annular chamber, and a source of air pressure supply connected to the chamber between the nozzles, the edges of the said nozzles located in close proximity to each other to form a narrow annular outlet, a'drum having a slide valve for `closing the said drum and aV channel for supporting the shell, and means located in the channel for sealingthe shell.

In testimony whereof I have hereunto signed my name to this s ecication.

,WILLIAM BERGMAN. 

